Improvement in cross-heads



C. M. FARRAR.

. CROSS-HEADS. No.181,52 5. Patented Aug.29,1876.

"- FETERS. PHOTO-UTHDGRAPNER. WASHINQTON. D, C

UNITED STATES PATENT OFFICE.

OHI LION M. FARRAR, OF BUFFALO, NEW YORK.

IMPROVEMENT lN-CROSS-HEADS.

Specification forming part of Letters Patent No. 181.525.,dated August29, 1876; application filed July 5, 1876.

' To all whom it may concern:

Be it known that I, OrrrLIoN M. FARRAR, of the city of Buffalo, in thecounty of Erie and State of New York, have invented a new and usefulImprovement in Gross-Heads for Steam-Engines or other machinery, whichimprovement is fully set forth in the following specification, referencebeing had to the accompanying drawings.

The object of my invention is to provide a cast-metal cross-head, with aturned and finished wrist-pin that is perfectly true, sufficientlystrong, and not liable to get loose; and it consists of a turned sleeveor tube of wrought or other metal, in combination with the cross-head,the said sleeve being rigidly connected with the cross-head by beingproperly placed in the mold previous to casting, its form being suchthat the metal, when poured therein, will pass through and fill the saidtube, and pass around the ends thereof, thereby holding it firmly inplace, as will be more clearly hereinafter shown.

In said drawings, Figure 1 is a side elevation of a cross-head for asteam-engine, made according to my invention. Fig. 2 represents avertical section through the center of the same, or through line X X ofthe plan or top View, Fig. 3.

tube or sleeve firmly in place, and also to provide the shoulders d d,all of which are turned true and finished in the lathe. before being putin proper position in the mold to receive the cast metal through it andaround the ends, as shown in said section, and as hereinbeforementioned.

E represents the usual taper hole for receiving the end of thepiston-rod, and F F the parts for fitting into the slideways.

I claim as my invention- A cross-head provided with a wrist-pincomposedof the turned or finished sleeve B and the core 0, formed substantiallyin the manner and for the purposesdescribed.

O. M. FARRAR. Witnesses:

. WM. S. GRosvENoR, JAMES SANGSTER.

